Hi, I am running into a bug when doing group faceting. This is the same error I ran into when upgrading from 5.5 to 6.x. http://lucene.472066.n3.nabble.com/solr-6-6-3-intermittent-group-faceting-errors-td4385692.html#a4385865 I had bypassed the error in solr 6.x by turning off docvalues. But in solr 7.7 it wont let me do faceting without enabling docvalues. Anyone else ran into this issue?
Sample Document { "id":"123:34!1:1", "product_id":1, "sku_id":1 }, { "id":"123:34!2:1", "category_id": [1,2] "product_id":2, "sku_id":1 } solr 7.7 schema <field name="product_id" type="plong" indexed="true" stored="true" required= "true" /> <field name="category_id" type="plongs" indexed="true" stored="true" required="false" /> solr 6..6 schema <field name="category_id" type="tlong" indexed="true" stored="true" required="false" multiValued="true"/> <field name="product_id" type="long" indexed="true" stored="true" required="true" /> 2019-03-29 20:14:30.188 ERROR (qtp2051853139-14) [c:collection1 s:shard2 r:core_node4 x:collection1_shard2_replica_n2] o.a.s.h.RequestHandlerBase org.apache.solr.common.SolrException: Exception during facet.field: category_id at org.apache.solr.request.SimpleFacets.lambda$getFacetFieldCounts$0(SimpleFacets.java:832) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.apache.solr.request.SimpleFacets$3.execute(SimpleFacets.java:771) at org.apache.solr.request.SimpleFacets.getFacetFieldCounts(SimpleFacets.java:841) at org.apache.solr.handler.component.FacetComponent.getFacetCounts(FacetComponent.java:329) at org.apache.solr.handler.component.FacetComponent.process(FacetComponent.java:273) at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:298) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199) at org.apache.solr.core.SolrCore.execute(SolrCore.java:2551) at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:710) at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:516) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:395) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:341) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle(Server.java:502) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.IllegalStateException: unexpected docvalues type NUMERIC for field 'product_id' (expected=SORTED). Re-index with correct docvalues type. at org.apache.lucene.index.DocValues.checkField(DocValues.java:340) at org.apache.lucene.index.DocValues.getSorted(DocValues.java:392) at org.apache.lucene.search.grouping.TermGroupFacetCollector$MV.doSetNextReader(TermGroupFacetCollector.java:312) at org.apache.lucene.search.SimpleCollector.getLeafCollector(SimpleCollector.java:33) at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:661) at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:471) at org.apache.solr.request.SimpleFacets.getGroupedCounts(SimpleFacets.java:721) at org.apache.solr.request.SimpleFacets.getTermCounts(SimpleFacets.java:497) at org.apache.solr.request.SimpleFacets.getTermCounts(SimpleFacets.java:426) at org.apache.solr.request.SimpleFacets.lambda$getFacetFieldCounts$0(SimpleFacets.java:826) ... 46 more Thanks Jay Potharaju